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An input stream that reads bytes from a file.
File file = ...finally
if (in != null)
in.clos
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A specialized Writer that writes to a file in the file system. All write
requests made by calling me
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GregorianCalendar is a concrete subclass of Calendarand provides the standard
calendar used by most
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This class provides methods that return pseudo-random values.It is dangerous to
seed Random with the
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An object that executes submitted Runnable tasks. This interface provides a way
of decoupling task s
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